{"url_path":"/sec/clst/10-q/2026/item-6","section_key":"item-6","section_title":"Item 6 EXHIBITS******","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1849867/0001104659-26-062126-index.html","accession_number":"0001104659-26-062126","cik":"0001849867","ticker":"CLST","issuer_name":"Catalyst Bancorp, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1849867/0001104659-26-062126-index.html","primary_entity_key":"0001849867","primary_entity_name":"Catalyst Bancorp, Inc."},"word_count":233,"has_tables":true,"body_markdown":"**ITEM 6. EXHIBITS******\n\n​\n\n31.1\n\n[Rule 13a-14(a) Certifications (Chief Executive Officer)](clst-20260331xex31d1.htm)\n\n​\n\n​\n\n31.2\n\n[Rule 13a-14(a) Certifications (Chief Financial Officer)](clst-20260331xex31d2.htm)\n\n​\n\n​\n\n32.0\n\n[Section 1350 Certifications](clst-20260331xex32d0.htm)\n\n​\n\n​\n\n101.INS\n\nInline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.\n\n​\n\n​\n\n101.SCH\n\nInline XBRL Taxonomy Extension Schema Document\n\n​\n\n​\n\n101.CAL\n\nInline XBRL Taxonomy Extension Calculation Linkbase Document\n\n​\n\n​\n\n101.LAB\n\nInline XBRL Taxonomy Extension Label Linkbase Document\n\n​\n\n​\n\n101.PRE\n\nInline XBRL Taxonomy Extension Presentation Linkbase Document\n\n​\n\n​\n\n101.DEF\n\nInline XBRL Taxonomy Extension Definitions Linkbase Document\n\n​\n\n​\n\n104\n\nCover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)\n\n​\n\n​\n\n​\n\n45\n\n[Table of Contents](#TOC)\n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.\n\n​\n\n​\n\n​\n\n​\n\nCATALYST BANCORP, INC.\n\n​\n\n​\n\n​\n\n​\n\nDate: May 15, 2026\n\nBy:\n\n/s/ Joseph B. Zanco\n\n​\n\n​\n\nJoseph B. Zanco\n\n​\n\n​\n\nPresident and Chief Executive Officer\n\n​\n\n​\n\n*(Duly Authorized Officer)*\n\n​\n\n​\n\nDate: May 15, 2026\n\nBy:\n\n/s/ Jacques L. J. Bourque\n\n​\n\n​\n\nJacques L. J. Bourque\n\n​\n\n​\n\nChief Financial Officer\n\n​\n\n​\n\n*(Principal Financial and Accounting Officer)*\n\n​\n\n​\n\n​\n\n​\n\n​\n\n46"}